The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2025
Filed:
Dec. 12, 2022
Applicant:
Mayekawa Mfg. Co., Ltd., Tokyo, JP;
Inventor:
Takashige Inaba, Tokyo, JP;
Assignee:
MAYEKAWA MFG. CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 39/08 (2006.01); F04B 27/00 (2006.01); F04B 39/10 (2006.01); F04B 49/22 (2006.01);
U.S. Cl.
CPC ...
F04B 39/08 (2013.01); F04B 39/10 (2013.01); F04B 39/102 (2013.01); F04B 49/22 (2013.01); F04B 27/005 (2013.01);
Abstract
A reciprocating compressor includes: a cylinder forming a cylinder chamber; an intake valve disposed around the cylinder chamber; a movable part including either an intake valve seat configured to seat the intake valve or a back member located on an opposite side of the intake valve from the intake valve seat, and configured to move in an axial direction of the cylinder; and an actuator for moving the movable part in the axial direction to change a movable range of the intake valve between the intake valve seat and the back member.